package com.coolweather.zhoumo2;

import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;

import com.coolweather.zhoumo2.R;
import com.coolweather.zhoumo2.db.City;
import com.coolweather.zhoumo2.db.County;
import com.coolweather.zhoumo2.db.Province;
import com.coolweather.zhoumo2.util.HttpUtil;
import com.coolweather.zhoumo2.util.Utility;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.litepal.crud.DataSupport;
import org.litepal.tablemanager.Connector;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class ChooseArea extends AppCompatActivity {
    public static final int LEVEL_PROVINCE = 0;
    public static final int LEVEL_CITY = 1;
    public static final int LEVEL_COUNTY = 2;
    private Button backButton;
    private TextView titleText;
    private ArrayAdapter<String> adapter;
    private List<Province> provinceList;
    private List<City> cityList;
    private List<County> countyList;
    private List<String> dataList = new ArrayList<>();
    private ListView list;
    private Province selectedProvince;
    private City selectedCity;
    private int CurrLevel;
    private ProgressDialog progressDialog;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        /*Button createDatabase = (Button) findViewById(R.id.createDataBase);
        Button addData = (Button) findViewById(R.id.addData);
        Button getData = (Button) findViewById(R.id.getData);
        Button btnDis = (Button) findViewById(R.id.btnDis);*/
        list = (ListView) findViewById(R.id.list_Province);
        titleText = (TextView) findViewById(R.id.title_text);
        backButton = (Button) findViewById(R.id.back_button);
        adapter = new ArrayAdapter<>(ChooseArea.this,
                android.R.layout.simple_list_item_1,
                dataList);
        list.setAdapter(adapter);
        createBase();
        /*DataSupport.deleteAll(Province.class);
        DataSupport.deleteAll(City.class);
        DataSupport.deleteAll(County.class);*/
        //queryProvinceData();
        dispProvinceData();
        list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                if (CurrLevel == LEVEL_PROVINCE) {
                    selectedProvince = provinceList.get(position);
                    //queryCityData();
                    dispCityData();
                }else if (CurrLevel == LEVEL_CITY){
                    selectedCity = cityList.get(position);
                    dispCountyData();
                }else if (CurrLevel == LEVEL_COUNTY){
                    String weatherId = countyList.get(position).getWeatherId();
                    Intent intent = new Intent(ChooseArea.this, WeatherActivity.class);
                    intent.putExtra("weather_id", weatherId);
                    startActivity(intent);
                    ChooseArea.this.finish();

                }
            }
        });
        backButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (CurrLevel == LEVEL_COUNTY){
                    dispCityData();
                }else if (CurrLevel == LEVEL_CITY){
                    dispProvinceData();
                }
            }
        });

    }

    private void createBase() {
        Connector.getDatabase();
    }

    private void dispProvinceData() {
        titleText.setText("中国");
        backButton.setVisibility(View.GONE);
        provinceList = DataSupport.findAll(Province.class);
        Log.d("debug", String.valueOf(provinceList.size()));
        if (provinceList.size() > 0) {
            dataList.clear();
            for (Province province : provinceList) {
                dataList.add(province.getProvinceName());
            }
            adapter.notifyDataSetChanged();
            CurrLevel = LEVEL_PROVINCE;
        }else{
            String address = "http://guolin.tech/api/china";
            queryDataFromServer(address,"province");
            //queryProvinceData();
        }
    }
    private void queryProvinceData() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                Log.d("info", "enter");
                try {
                    OkHttpClient client = new OkHttpClient();
                    Request request = new Request.Builder().url("http://guolin.tech/api/china").build();
                    Response response = null;
                    Log.d("info", "enter2");
                    response = client.newCall(request).execute();
                    String responseData = response.body().string();
                    Log.d("info", responseData);
                    JSONArray allProvinces = new JSONArray(responseData);
                    for (int i = 0; i < allProvinces.length(); i++) {
                        JSONObject provinceObject = allProvinces.getJSONObject(i);
                        String provinceName = provinceObject.getString("name");
                        int provinceCode = provinceObject.getInt("id");
                        int provinceId = provinceObject.getInt("id");
                        Log.d("info", provinceName);
                        Province db = new Province();
                        db.setProvinceName(provinceName);
                        db.setProvinceCode(provinceCode);
                        db.setId(provinceId);
                        db.save();
                    }
                } catch (IOException | JSONException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    private void dispCityData() {
        titleText.setText(selectedProvince.getProvinceName());
        backButton.setVisibility(View.VISIBLE);
        cityList = DataSupport.where("provinceid=?",
                String.valueOf(selectedProvince.getProvinceCode())).find(City.class);
        Log.d("debug", String.valueOf(cityList.size()));
        if (cityList.size() > 0) {
            dataList.clear();
            for (City city : cityList) {
                dataList.add(city.getCityName());
            }
            adapter.notifyDataSetChanged();
            CurrLevel = LEVEL_CITY;
        }else{
            int provinceCode = selectedProvince.getProvinceCode();
            String address = "http://guolin.tech/api/china/" + provinceCode;
            queryDataFromServer(address,"city");
            //queryCityData();
        }
    }
    private void queryCityData() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    int provinceCode = selectedProvince.getProvinceCode();
                    OkHttpClient client = new OkHttpClient();
                    String address="http://guolin.tech/api/china/"+provinceCode;
                    Log.d("info",address);
                    Request request = new Request.Builder().url(address).build();
                    Response response = null;
                    response = client.newCall(request).execute();
                    String responseData = response.body().string();
                    Log.d("info", responseData);
                    JSONArray allCity = new JSONArray(responseData);
                    for (int i = 0; i < allCity.length(); i++) {
                        JSONObject cityObject = allCity.getJSONObject(i);
                        String CityName = cityObject.getString("name");
                        int CityCode = cityObject.getInt("id");
                        int CityId = cityObject.getInt("id");
                        City db = new City();
                        db.setCityName(CityName);
                        db.setCityCode(CityCode);
                        db.setProvinceId(provinceCode);
                        db.setId(CityId);
                        db.save();
                    }
                } catch (IOException | JSONException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    private void dispCountyData() {
        titleText.setText(selectedCity.getCityName());
        backButton.setVisibility(View.VISIBLE);
        countyList = DataSupport.where("cityid=?",
                String.valueOf(selectedCity.getCityCode())).find(County.class);
        if (countyList.size() > 0){
            dataList.clear();
            for (County county : countyList){
                dataList.add(county.getCountyName());
            }
            adapter.notifyDataSetChanged();
            CurrLevel = LEVEL_COUNTY;
        }else{
            int provinceCode = selectedProvince.getProvinceCode();
            int cityCode = selectedCity.getCityCode();
            String address= "http://guolin.tech/api/china/" + provinceCode + "/" + cityCode;
            queryDataFromServer(address,"county");
        }
    }

    private void queryDataFromServer(final String address, final String type){
        showProgressDialog();
        HttpUtil.sendOkHttpRequest(address, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        closeProgressDialog();
                        Toast.makeText(ChooseArea.this,"加载失败",Toast.LENGTH_SHORT).show();
                    }
                });
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String responseText = response.body().string();
                boolean result = false;
                if ("province".equals(type)){
                    result = Utility.hanleProvinceResponse(responseText);
                }else if("city".equals(type)){
                    result = Utility.handleCityResponse(responseText,selectedProvince.getId());
                }else if ("county".equals(type)){
                    result = Utility.handleCountyResponse(responseText,selectedCity.getId());
                }
                if (result){
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            closeProgressDialog();
                            if ("province".equals(type)){
                                dispProvinceData();
                            }else if ("city".equals(type)){
                                dispCityData();
                            }else if ("county".equals(type)){
                                dispCountyData();
                            }
                        }
                    });

                }
            }
        });
    }
    private void parseProvinceData(String responseData) throws JSONException {
        JSONArray allProvinces = new JSONArray(responseData);
        for (int i = 0; i < allProvinces.length(); i++) {
            JSONObject provinceObject = allProvinces.getJSONObject(i);
            String provinceName = provinceObject.getString("name");
            int provinceCode = provinceObject.getInt("id");
            int provinceId = provinceObject.getInt("id");
            Log.d("info", provinceName);
            Province db = new Province();
            db.setProvinceName(provinceName);
            db.setProvinceCode(provinceCode);
            db.setId(provinceId);
            db.save();
        }
    }
    private void parseCityData(String responseData) throws JSONException {
        int provinceCode = selectedProvince.getProvinceCode();
        JSONArray allCity = new JSONArray(responseData);
        for (int i = 0; i < allCity.length(); i++) {
            JSONObject cityObjict = allCity.getJSONObject(i);
            String cityName = cityObjict.getString("name");
            int cityCode = cityObjict.getInt("id");
            int cityId = cityObjict.getInt("id");
            Log.d("info", cityName);
            City db = new City();
            db.setCityName(cityName);
            db.setCityCode(cityCode);
            db.setProvinceId(provinceCode);
            db.setId(cityId);
            db.save();
        }
    }
    private void parseCountyData(String responseData) throws JSONException {
        int cityCode = selectedCity.getCityCode();
        JSONArray allCounty = new JSONArray(responseData);
        for (int i = 0; i < allCounty.length(); i++) {
            JSONObject countyObject = allCounty.getJSONObject(i);
            String countyName = countyObject.getString("name");
            String countyweather = countyObject.getString("weather_id");
            int countyId = countyObject.getInt("id");
            Log.d("info", countyName);
            County county = new County();
            county.setCountyName(countyName);
            county.setWeatherId(countyweather);
            county.setCityId(cityCode);
            county.setId(countyId);
            county.save();
        }
    }

    private void showProgressDialog(){
        if (progressDialog == null){
            progressDialog = new ProgressDialog(ChooseArea.this);
            progressDialog.setMessage("正在加载。。。。");
            progressDialog.setCanceledOnTouchOutside(false);
        }
        progressDialog.show();
    }

    private void closeProgressDialog(){
        if (progressDialog != null){
            progressDialog.dismiss();
        }
    }
}